Ductless mini split systems provide an excellent solution for homes needing targeted heating and cooling without the hassle of traditional ductwork. These systems offer energy efficiency, quiet operation, and versatile installation options suitable for different room sizes. Below is a summary table of five top-rated DIY ductless mini splits, showcasing their capacities, features, and brands to help you find the perfect fit for your home.
| Product Name | Brand | BTU Capacity | Key Features |
|---|---|---|---|
| MRCOOL Easy Pro 12,000 BTU Ductless Mini-Split | MRCOOL COMFORT MADE SIMPLE | 12,000 BTU | DIY installation, Quiet operation, Smart WiFi control |
| MrCool Easy Pro 12k BTU 19.5 SEER2 Ductless Heat Pump | MRCOOL COMFORT MADE SIMPLE | 9,000-12,000 BTU | High efficiency, durable, wide coverage |
| DELLA Vario Series 12000 BTU Mini Split Air Conditioner | Della | 12,000 BTU | Alexa compatible, smart sensor, energy efficient |
| Pioneer Diamante Series 12000 BTU Ductless Mini-Split | Pioneer | 12,000 BTU | High SEER rating, low-ambient use, inverter heat pump |
| COSTWAY 12000BTU Mini Split Air Conditioner & Heater | COSTWAY | 12,000 BTU | Energy efficient inverter, multiple modes, quiet operation |
MRCOOL Easy Pro 12,000 BTU DIY Mini-Split with Smart WiFi
The MRCOOL Easy Pro 12,000 BTU ductless mini-split offers reliable heating and cooling for spaces up to 550 square feet. Its 115-volt system simplifies installation with a streamlined DIY setup, lowering labor and material costs. Featuring a quiet operation, this combo unit delivers energy-efficient performance, ensuring comfort without high utility bills. The smart WiFi control allows remote operation, enhancing convenience. This model is ideal for homeowners seeking an easy-to-install, dependable ductless mini split system for moderate-sized rooms.
MrCool Easy Pro 12k BTU 19.5 SEER2 Heat Pump Mini Split System
This versatile MrCool Easy Pro 12k BTU system has a high seasonal energy efficiency ratio (SEER2) of up to 20.2, meeting both heating and cooling needs with 9,000 to 12,000 BTU capacity. Suitable for rooms from 500 to 1,200 square feet, it offers versatility for various home spaces like garages and sunrooms. The system boasts a gold fin condenser coating for enhanced corrosion resistance and long-lasting durability. The impressive 11.2 HSPF2 rating supports energy savings throughout the year.
DELLA Vario Series 12000 BTU Mini Split with Alexa and Smart Sensor
The DELLA Vario Series mini split system supports cooling and heating with a 19 SEER2 rating, designed to maintain comfort down to temperatures as low as -4°F. Its intelligent features include a smart sensor that detects room temperature via the remote control to optimize airflow and energy use. Additional smart settings such as auto defrost, self-cleaning, multiple fan speeds, and timer modes provide customized climate control. Compatibility with Alexa makes it a convenient modern choice with voice control capabilities.
Pioneer Diamante Series 12000 BTU Ductless Mini Split Heat Pump
The Pioneer Diamante Series offers a high-efficiency ductless mini split system with a 12,000 BTU cooling and heating capacity. It stands out with a 20 SEER energy rating and 10 HSPF heating efficiency for reliable all-season comfort. Suitable for residential and light commercial environments, the Diamante’s inverter technology adapts performance to ambient conditions, including low-temperature operation. Its full line range ensures flexibility for various space requirements.
COSTWAY 12000BTU Mini Split Air Conditioner & Heater with Inverter
The COSTWAY 12000BTU Mini Split is an inverter-equipped ductless air conditioner and heater suitable for rooms up to 750 square feet. This AHRI-certified unit features five modes—auto, cool, dry, heat, and fan—with four fan speeds and energy-saving functions. Its quiet operation and timer settings ensure uninterrupted comfort day and night. The system’s inverter technology reduces power consumption by adjusting compressor frequency, extending the unit’s lifespan while maintaining efficient cooling and heating.
Buying Guide for DIY Ductless Mini Split Systems
BTU Capacity and Room Size
Choose a mini split with a BTU rating appropriate for your room size. Smaller spaces (up to 400-550 sq. ft.) generally require 9,000 to 12,000 BTUs, while larger rooms may need 15,000 BTUs or higher. Matching BTU capacity ensures efficient temperature control without overworking the system.
Energy Efficiency Ratings (SEER & HSPF)
Look for high Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF) ratings. Higher SEER indicates better cooling efficiency, while higher HSPF denotes improved heating performance. Efficient units save on energy costs and reduce environmental impact.
Installation Type and DIY Capability
DIY-friendly systems simplify setup with pre-charged refrigerant lines and included installation kits. Confirm if the unit supports DIY installation or requires professional services. Models like MRCOOL Easy Pro come equipped for homeowner installation, reducing costs.
Noise Level
Consider units with low operational noise for bedrooms or quiet areas. Many mini splits operate below 30 decibels on quiet mode, providing comfort without disruption.
Additional Features
- Smart Controls: WiFi and voice compatibility (e.g., Alexa) provide remote and convenient operation.
- Multiple Modes & Fan Speeds: Modes including heat, cool, dry, and fan allow versatile climate control.
- Durability: Protective coatings like gold fin condensers improve longevity and resistance to corrosion.
- Temperature Sensors: Smart sensors that adjust based on remote location offer enhanced comfort and energy savings.
Warranty and Support
Evaluate warranty terms, including labor coverage and customer support availability, to ensure peace of mind after purchase.
Outdoor Unit Mounting
Selecting appropriate mounting brackets helps secure outdoor condensers safely and reduces vibrations, prolonging system life. Accessories like the DuctlessAire mounting bracket provide sturdy weather-resistant support.